Portion of a shoe upper



FIG. 1 is a side elevational view of a portion of a shoe upper showing my new design;

FIG. 2 is a top plan view of the portion of the shoe upper shown in FIG. 1;

FIG. 3 is a front elevational view of the portion of the shoe upper shown in FIG. 1; and,

FIG. 4 is a rear elevational view of the portion of the shoe upper shown in FIG. 1.

The broken line showing of the remainder of the shoe is for illustrative purposes and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 